• Pennon (or pennant), a narrow, tapering flag commonly flown by ships at sea:
  • Pennant , the traditional sign of a warship, flown from its masthead while the ship is in commission
  • Broad pennant, flown from the masthead of a Royal Navy ship to indicate the presence of a commodore on board
  • Pennant , flown by navies during services on board ships
• Pennant number, a number used to identify ships by the modern Royal Navy and other navies of Europe and the Commonwealth

• Pennant , a commemorative flag displayed or flown by a league-winning team
  • Pennant race, the race to clinch the league or division title in a regular baseball season
• A reference to the pennant-shaped "No Passing Zone" prohibitory traffic sign found in the United States
• The common name for the Genus of dragonfly known as Celithemis

Placenames

• Pennant, Ceredigion, Wales
• Pennant, Conwy, Wales
• Pennant, Powys, Wales
• Pennant, Saskatchewan, Canada
• Pennant Point, Nova Scotia, Canada

Surnames

• Jermaine Pennant, an English Football player, currently playing for Real Zaragoza
• Thomas Pennant, a Welsh naturalist and antiquary
• Nathan Pennant, an Australian Sports Player